FindSDL: Prevent unbounded growth of SDL_LIBRARY_TEMP variable

Just modify the cache var property rather than using set() to hide it.
Otherwise the set() includes other values added to the temporary list.

Closes: #16406
This commit is contained in:
Craig Scott 2016-11-06 17:37:54 +11:00 committed by Brad King
parent d568cecf38
commit f18b18b72b

View File

@ -94,6 +94,11 @@ find_library(SDL_LIBRARY_TEMP
PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
)
# Hide this cache variable from the user, it's an internal implementation
# detail. The documented library variable for the user is SDL_LIBRARY
# which is derived from SDL_LIBRARY_TEMP further below.
set_property(CACHE SDL_LIBRARY_TEMP PROPERTY TYPE INTERNAL)
if(NOT SDL_BUILDING_LIBRARY)
if(NOT SDL_INCLUDE_DIR MATCHES ".framework")
# Non-OS X framework versions expect you to also dynamically link to
@ -162,8 +167,6 @@ if(SDL_LIBRARY_TEMP)
# Set the final string here so the GUI reflects the final state.
set(SDL_LIBRARY ${SDL_LIBRARY_TEMP} CACHE STRING "Where the SDL Library can be found")
# Set the temp variable to INTERNAL so it is not seen in the CMake GUI
set(SDL_LIBRARY_TEMP "${SDL_LIBRARY_TEMP}" CACHE INTERNAL "")
endif()
if(SDL_INCLUDE_DIR AND EXISTS "${SDL_INCLUDE_DIR}/SDL_version.h")